Table 5. Median PROMs scores by Chondropaenia Severity Score.

ADL, activities of daily living; CSS, Chondropaenia Severity Score; IKDC, International Knee Documentation Committee; KOOS, Knee injury and Osteoarthritis Outcome Score; QoL, quality of life; OKS, Oxford Knee Score; PROM, patient-reported outcome measure

	CSS grade
PROMs	A	B	C
OKS (0=worst; 48=best)	42 (range 20–48; SD = 9)	35 (range 7–47; SD = 10)	28 (range 7–44; SD = 11)
KOOS Symptoms (0=worst; 100=best)	80 (range 30–100; SD = 24)	65 (range 0–100; SD = 25)	50 (range 0–75; SD = 21)
KOOS Pain (0=worst; 100=best)	86 (range 28–100; SD = 20)	68 (range 3–100; SD = 24)	61 (range 20–48; SD = 9)
KOOS ADL (0=worst; 100=best)	94 (range 29–100; SD = 17)	78 (range 4–100; SD = 25)	71 (range 20–48; SD = 9)
KOOS Sports (0=worst; 100=best)	75 (range 35–100; SD = 27)	45 (range 0–85; SD = 30	35 (range 0–48; SD = 9)
KOOS QoL (0=worst, 100=best)	56 (range 31–100; SD = 26)	28 (range 0–81; SD = 27)	19 (range 0–62; SD = 25)
IKDC (0=worst; 100=best)	78 (range 51–99; SD = 16)	55 (range 8–84; SD = 19)	42 (range 8–70; SD = 18)